The Guest (2018)

S1E16 Park Il Do, Come to Me

Hwa Pyung finally learns the identity of the person possessed by Park Il Do. Determined to end the threat once and for all, he invites Park Il Do into his own body, planning to kill himself to destroy the evil spirit. Meanwhile, Yoon and Gil Young sense that Hwa Pyung is in grave danger and rush to stop him before it's too late.